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7.2.5. In-operation: BUSY
This signal reports that the System is in the middle of the operation executed by an internal
command.
Table 7-20: Signal logic of the output BUSY
Logic Description
Open
Idle
Closed
In-operation
Besides the program operations, another program operation to change parameter settings by the
program, which does not involve a motion of the Motor, is available to the Driver Unit. Because
of this, the Driver Unit requires the function of output BUSY.
In-operation denotes that the System is executing one of the following positioning operations,
except the pulse train command operation.
1) Program operation
2) Positioning command: From the start to end of the first execution of a positioning.
3) Jogging
4) Command AT: Auto tuning
5) Home Return operation
If the master controller cannot detect the closing time length of the output BUSY due to the
operating time is too short, the parameter BW (BUSY width) can be set to fix the minimum
outputting time of the BUSY signal.
The parameter BW value controls closing time of the output BUSY even operating time is short.
◊ The System accepts an input of the next positioning command in the time set by the
parameter BW after completion of the operation.
Table 7-21: Parameters related to the output BUSY
Name Function
Initial
setting
Data range Unit
BW
Sets the closing time of the
output BUSY.
0.0 0.0 to 10 000.0 ms
Refer to “7.2.6. In-position: IPOS” for the signal timing of the output BUSY.
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